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LID SWM Planning and Design Guide β

Low impact development treatment train tool

Screenshot of the LID TTT
Menu bar of the LID TTT

The Low Impact Development Treatment Train Tool (LID TTT) is designed to help developers, consultants, municipalities and landowners understand and implement more sustainable stormwater management planning and design practices in their watersheds.

The LID TTT focuses on the use of Best Management Practices (BMP)’s and Low Impact Development (LID) techniques, and:

The LID TTT is built upon the open source EPA SWMM5 model providing a user-friendly interface for novice modelers and cross-compatibility with SWMM5 for further model development.

The LID TTT has been developed in partnership between Lake Simcoe Region Conservation Authority, Credit Valley Conservation, and Toronto and Region Conservation Authority.

Integration with this guide is through suggested 'starting point' values for design parameters for the following BMP types:

This links to the project page, where you can download your free copy of the LID TTT.